Description
Amplified MA400.4 – 4-Channel High-Efficiency Digital Amplifier
The MA400.4 is a compact, high-efficiency digital amplifier designed to deliver powerful, clean audio while maintaining excellent energy efficiency. Its flexible input options and advanced control features make it ideal for upgrading factory or aftermarket sound systems.
High-efficiency digital amplifier design
Compact chassis with high power output
Low-level and high-level inputs with auto turn-on
Adjustable low-pass and high-pass filters
Adjustable subsonic filter and bass boost
MOSFET power supply for stable performance
Gain control for precise tuning
3-way protection circuitry (overload, short circuit, thermal)
LED power and protection indicator
Built for performance and reliability, the MA400.4 delivers impressive output from a compact footprint, making it ideal for modern vehicle installations where space is limited. Its MOSFET power supply ensures stable voltage delivery, while adjustable crossover controls allow precise tuning for mids, highs, or bridged subwoofer configurations. With both high-level and low-level inputs and intelligent auto turn-on functionality, the MA400.4 integrates seamlessly into factory or aftermarket systems while maintaining low distortion and excellent sound clarity.
Specifications
RMS Power (4-Ohm) 100 x 4
RMS Power (2-Ohm) 150 x 4
RMS Power Bridged (4-Ohm) 300 x 2
RMS Power (1-Ohm) N/A
THD <0.6%
Frequency Response(-3.0dB) 10Hz-30KHz
Frequency LPF(-3.0dB) 40Hz-4KHz
Frequency HPF(-3.0dB) 40Hz-4KHz
Signal To Noise Raio >92dB
Sensitivity 250mV-5.5V
Dimensions (mm) 175 x 85 x 40





